See also:

Removing the mechanical key
Push release catch 1 in the direction of the arrow and at the same time, remove mechanical key 2 from the SmartKey. ...

Switching COMAND on/off
Press the function button on the center console. If you switch off COMAND, playback of the current audio or video source will also be switched off. You cannot switch off COMAND while mak ...

Service and literature
Your vehicle is covered under the terms of the warranties printed in the Service and Warranty Information booklet. Your authorized Mercedes-Benz Center will exchange or repair any defective parts ...